我们不是从祖先那里继承了地球，而是从我们的孩子那里借来的。

The best fiction makes the familiar strange and the strange familiar.

Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.

蓝海代表今天尚不存在的所有行业——未知的市场空间，未被竞争玷污。